header{
    padding: 5px;
    margin: 20px;
    border-bottom: 1px solid black;
    font-size: 18px;
    font-weight: 800;
}
.photo_tol li{
    width: 50%;
    float: left;
    list-style: none;
}
.photo_tol li >div{
    width: 50%;
    overflow: hidden;
    height: 296px;
    position: relative;
    float: left;
    border: 4px solid white;
}
.photo_tol li >div:nth-of-type(1):hover{
    background-color: #a698981f;
}
.photo_tol li>div:nth-of-type(2){
    padding: 100px;
}
.photo_tol li p{
    overflow: hidden;
}
.photo_tol li >div:nth-of-type(2) span{
      color:#ccc;
    width: 300px;
    padding: 40px;
    font-size: 16px;
    border-bottom: 1px solid #ccc;
}
.photo_tol li>div:nth-of-type(2) p{
    padding: 20px;
}
.photo_tol li >div:nth-of-type(2):before{
    content: '';
    width: 0;
    height: 0;
    position: absolute;
    border-width: 15px 15px 15px 0;
    border-style: solid;
    border-color: transparent #f1f1f1 transparent transparent;
    margin: 40px auto;
    left: -22px;
}